Learn how to write an employee appreciation letter with these templates and examples. Download the template for free (PDF or Word).Thank you very much. I'd like to thank you for talking with me about the research- assistant position in your seismology lab. On behalf of the entire team at < company name >, I would like to acknowledge your invaluable contributions to the workplace. Below you will find sample appreciation letters to send or email an individual or individuals who have helped you at work. Welcome to our customer appreciation letters page! Here, you'll find a collection of heartfelt letters we've received from our valued customers over the years. The following are six different thank you letter samples. You can take help from the letter that suits your particular situation the best.